Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
IMPORTANT: The SSD Announcement email list is now available. Major changes are coming in the near future, including possible hostname and/or URL changes. To be notified of such changes, subscribe to this email list.

Please visit this page for more details.


JPL Small-Body Database Browser
Search: [ help ]  
312838 (2011 UL17)
Classification: Outer Main-belt Asteroid          SPK-ID: 2312838
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1135766253390487 6.1909e-08  
a 3.232571705217186 4.5549e-08 au
q 2.865427119772124 2.0039e-07 au
i 5.17665142878426 8.4747e-06 deg
node 35.64434985542137 7.6646e-05 deg
peri 74.44365708480466 8.7282e-05 deg
M 54.49421219433187 3.9026e-05 deg
tp 2458279.157213409264
(2018-Jun-09.65721341)
0.0002299 TDB
period 2122.856694581181
5.81
4.4869e-05
1.228e-07
d
yr
n .1695828083539216 3.5843e-09 deg/d
Q 3.599716290662248 5.0723e-08 au
  Orbit Determination Parameters
   # obs. used (total)      163  
   data-arc span      8467 days (23.18 yr)  
   first obs. used      1996-03-23  
   last obs. used      2019-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62506  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:02:26  

Additional Information
 Earth MOID = 1.88802 au 
 Jupiter MOID = 1.53895 au 
 T_jup = 3.169 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457107.5 (2015-Mar-26.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1147739823521977 6.1895e-08  
q 2.862512700650545 2.0065e-07 au
tp 2456154.272492849103
(2012-Aug-14.77249285)
0.00023066 TDB
node 35.66676470483288 7.665e-05 deg
peri 74.38631267509497 8.7068e-05 deg
i 5.176700029876164 8.4739e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      163  
   data-arc span      8467 days (23.18 yr)  
   first obs. used      1996-03-23  
   last obs. used      2019-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62506  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 06:02:26  

Additional Information
 Jupiter MOID = 1.53895 au 
 T_jup = 3.169 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.830991032129624E-15 -1.216886588072799E-14 -1.983305137230754E-12 -9.96706090521447E-15 -4.138806846132775E-13 -1.991620337938752E-15
q -1.216886588072799E-14 4.026209810480278E-14 4.849126801934376E-12 2.248501073372776E-14 1.188516403290203E-12 6.266571615750053E-15
tp -1.983305137230754E-12 4.849126801934376E-12 5.320256300394782E-8 -1.318919448206684E-12 9.545711342260901E-9 -1.191527924631118E-11
node -9.96706090521447E-15 2.248501073372776E-14 -1.318919448206684E-12 5.875222071532716E-9 -5.851875751168363E-9 -6.228143663021297E-11
peri -4.138806846132775E-13 1.188516403290203E-12 9.545711342260901E-9 -5.851875751168363E-9 7.580787691202908E-9 5.99555493994593E-11
i -1.991620337938752E-15 6.266571615750053E-15 -1.191527924631118E-11 -6.228143663021297E-11 5.99555493994593E-11 7.180692807223844E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.8   n/a MPO434005  

312838 (2011 UL17)          Discovered 2002-Apr-08 by NEAT at Palomar
Reference: 20120109/Numbers.arcLast Updated: 2012-01-11

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2020-Jan-25 09:01 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin